Diamond Core Drill Bits Set – LEKOMESH Tile Hole Saw Kit BOX 1. Item Weight: 1.25 kg. Product Dimensions: 22 x 16 x 6.8 cm; 1.25 kg. Item Package Quantity: 10. Cutting diameter: 68 Millimetres. Item dimensions L x W x H: 22 x 16 x 6.8 centimetres. SIZE? 10pcs in total: 6pcs 6/6/8/25/50/68mm diamond tile drill bits; 1pc 10mm finger bit; 1pc 35mm drilling milling bit; 1pc 50mm diamond beveling chamfer bit; 1pc Hex shank adapter. APPLICATION? Dry drilling/milling/chamfering for porcelain tile, granite, marble, stone, masonry, brick… Wet drilling/milling can prolong the service life. TECHNOLOGY? This tiling installation kit is made of high quality diamond and steel by vacuum brazed diamond technology. Provide very high efficiency, drilling and milling faster, durable and sturdy. FEATURES? Fast and smooth drilling, long lifetime, less chipping. Recommended RPM is 6000; Maximum RPM is 11000, Widely used in Angle Grinder, if you want used on hand drill, bench drill, you can use the adapter included in the bag. For easy carry and storage and protect of the diamond tools.